Atlantic sturgeon listed as endangered; dredging is officially a threat

The fish that once supported the largest caviar industry in the world, here on the Delaware River, was named to the National Marine Fisheries Service's endangered species list. There are believed to be fewer than 300 left.

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Atlantic sturgeon listed as endangered; dredging is officially a threat

POSTED: Tuesday, January 31, 2012, 5:45 PM

Bback around the turn of the 20th century, the Delaware River's Atlantic Sturgeon supported the largest caviar industry in the nation. Today, the fish was named to the National Marine Fisheries Service's endangered species list. There are believed to be fewer than 300 spawning adults left in the river, down from 180,000 adult females a century ago.

As we reported back in November, the threats to the population include water pollution, a shrinking spawning area as saltwater slowly seeps further upriver, and bycatch from other fishery operations. But the National Marine Fisheries Service identified the Delaware River Main Channel Deepening Project as a threat of special concern: “[T]he location and scope of the project in the Delaware River, coupled with the lack of information on the precise location of spawning and other important habitat in the Delaware River, indicate that the project could be very harmful to the Delaware River riverine population of Atlantic sturgeon.”

It's the latest critique of a dredging project that has continued over environmentalists' criticism for years now. Most recently, a University of Maryland professor re-crunched the numbers on the initiative, run by the U.S. Army Corps of Engineers, and found that the project lacked any significant value for the region as an economic driver or jobs generator. However, while the federal government hasn't budgeted for the project to continue, Gov. Tom Corbett has come up with $15 million to move the channel deepening along, touting it as vital to the progress of the proposed Southport Marine Terminal.

The sturgeon's addition to the list to could pave the way for legal action by environmental groups looking to halt the deepening, Jane Davenport, attorney at the Delaware Riverkeeper Network, said in a statement. “Each and every Atlantic sturgeon in the Delaware River will be protected by the ESA’s wide-ranging prohibitions against killing or harming it or degrading its habitat. Congress gave public interest groups like the Delaware Riverkeeper Network the explicit right to enforce these protections through citizen suits in federal court, a right we fully intend to exercise as necessary to protect this ancient fish.”

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